Mercedes-Benz S-Class Saloon W223 2021 Owner's Manual page 351

For accident clarification purposes, the following
measures can be taken up to an hour after the
emergency call has been initiated:
The current vehicle position can be deter-
R
mined.
A voice connection to the vehicle occupants
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can be established.
Emergency call data can be called up.
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For Russia: various functions, e.g. receiving
traffic information, cannot be performed for
up to two hours after sending an emergency
call.
Self diagnosis function of the emergency call sys-
tem
Your car verifies the operability of the emergency
call system each time the ignition is ON. During
this time the SOS button lights up red for five sec-
onds. In case of system failure, you will be
informed with text message on the instrument
SOS NOT READY
cluster and with red indicator
the display.
Please, make sure, that during 30 seconds after
switching ignition ON the red indicator
READY in the upper right corner of display is
switched OFF, this means the emergency call sys-
tem passed diagnostics successfully.
Starting/ending ERA-GLONASS test mode
Requirements:
The starter battery is sufficiently charged.
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The ignition is switched on.
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The vehicle has been stationary for at least
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one minute.
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The test mode is currently available in the fol-
lowing countries, for example:
Russia
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Belarus
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Kazakhstan
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Armenia
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Kyrgyzstan
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on
P223 0288 02
To start the test mode: press and hold the
#
SOS NOT ~ button on the multifunction steering
wheel for at least five seconds.
The test mode is started and automatically
ends after the language test has been per-
formed.
To end the test mode manually: switch off the
#
ignition.
The test mode is ended.
Information on data processing
Processing of personal data via the Mercedes-
Benz emergency call system
All processing of personal data via the Mercedes-
Benz emergency call system corresponds with the
specifications in the EU Regulation 2016/679 "on
the protection of individuals with regard to the
processing of personal data (GDPR)".
The data is solely used by the Mercedes-Benz
emergency call system for rescue and recovery in
the event of an accident.
The owner of a vehicle, that is equipped with a
Mercedes-Benz emergency call system in addition
to the 112 emergency call system (EU eCall), has
MBUX multimedia system 349